1 | /* |
2 | * Copyright 2012-16 Advanced Micro Devices, Inc. |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
11 | * The above copyright notice and this permission notice shall be included in |
12 | * all copies or substantial portions of the Software. |
13 | * |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
20 | * OTHER DEALINGS IN THE SOFTWARE. |
21 | * |
22 | * Authors: AMD |
23 | * |
24 | */ |
25 | |
26 | #ifndef __DAL_GPIO_H__ |
27 | #define __DAL_GPIO_H__ |
28 | |
29 | #include "gpio_types.h" |
30 | |
31 | |
32 | union gpio_hw_container { |
33 | struct hw_ddc *ddc; |
34 | struct hw_generic *generic; |
35 | struct hw_hpd *hpd; |
36 | }; |
37 | |
38 | struct gpio { |
39 | struct gpio_service *service; |
40 | struct hw_gpio_pin *pin; |
41 | enum gpio_id id; |
42 | uint32_t en; |
43 | |
44 | union gpio_hw_container hw_container; |
45 | enum gpio_mode mode; |
46 | |
47 | /* when GPIO comes from VBIOS, it has defined output state */ |
48 | enum gpio_pin_output_state output_state; |
49 | }; |
50 | |
51 | #if 0 |
52 | struct gpio_funcs { |
53 | |
54 | struct hw_gpio_pin *(*create_ddc_data)( |
55 | struct dc_context *ctx, |
56 | enum gpio_id id, |
57 | uint32_t en); |
58 | struct hw_gpio_pin *(*create_ddc_clock)( |
59 | struct dc_context *ctx, |
60 | enum gpio_id id, |
61 | uint32_t en); |
62 | struct hw_gpio_pin *(*create_generic)( |
63 | struct dc_context *ctx, |
64 | enum gpio_id id, |
65 | uint32_t en); |
66 | struct hw_gpio_pin *(*create_hpd)( |
67 | struct dc_context *ctx, |
68 | enum gpio_id id, |
69 | uint32_t en); |
70 | struct hw_gpio_pin *(*create_gpio_pad)( |
71 | struct dc_context *ctx, |
72 | enum gpio_id id, |
73 | uint32_t en); |
74 | struct hw_gpio_pin *(*create_sync)( |
75 | struct dc_context *ctx, |
76 | enum gpio_id id, |
77 | uint32_t en); |
78 | struct hw_gpio_pin *(*create_gsl)( |
79 | struct dc_context *ctx, |
80 | enum gpio_id id, |
81 | uint32_t en); |
82 | |
83 | /* HW translation */ |
84 | bool (*offset_to_id)( |
85 | uint32_t offset, |
86 | uint32_t mask, |
87 | enum gpio_id *id, |
88 | uint32_t *en); |
89 | bool (*id_to_offset)( |
90 | enum gpio_id id, |
91 | uint32_t en, |
92 | struct gpio_pin_info *info); |
93 | }; |
94 | #endif |
95 | |
96 | #endif /* __DAL_GPIO__ */ |
97 | |